нужно подобрать правильные предлоги at, in или on 1.__September
2.__Christmas
3.__autumn
4.__Monday
5.__the weekend
6.__Thursday morning
7.__night
8.__March 12th
9.__the morning
10.__3 o'clock
11.__XV century
12.__summer
13.__a hot day
14.__Easter Day
Очень нужно
on
in
on
at
on
at
on
on
in
at
in
on